RTC code not working..

So my RTC code just stopped working. I've loaded code that worked a week ago and nothing - it gets hung on the macro which checks for the bus being free (i2c_common_stop). Anyone have ideas on solutions?

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Permalink Reply by Kenny Kim on May 1, 2014 at 5:21am

 I have no way of knowing if this is the problem, but certain PIC functions degrade over time until they stop working properly (or at all). If you have an additional PIC, try replacing it

Permalink Reply by Kenny Kim on May 1, 2014 at 5:21am

 also, check that your jumpers are in place proper

Permalink Reply by Kenny Kim on May 1, 2014 at 5:21am

the "SSPCON2,PEN" bit is not being cleared (should be getting cleared by hardware...)

Permalink Reply by Kenny Kim on May 1, 2014 at 5:21am

Did you try resetting clock? Trying somebody else's rtc?

Permalink Reply by Kenny Kim on May 1, 2014 at 5:21am

If you think the clock itself is broken, you can have mine.

Permalink Reply by Kenny Kim on May 1, 2014 at 5:21am

i like the chip?

Permalink Reply by Kenny Kim on May 1, 2014 at 5:21am

yea

Permalink Reply by Kenny Kim on May 1, 2014 at 5:21am

It's in the sample codes - if you find rtc one. There is a commented out section that resets the clock

Permalink Reply by Kenny Kim on May 1, 2014 at 5:22am

try either turning your thing to run, or putting the thing away and trying tomorrow, that always fixes my pic problems...

Permalink Reply by Kenny Kim on May 1, 2014 at 5:22am
 This happens to me regularly and the problem is always that the jumpers are slightly loose.

 

Permalink Reply by Kenny Kim on May 1, 2014 at 5:22am

but what did you mean by "hung up on the macro"? does the code not compile anymore?

Permalink Reply by Kenny Kim on May 1, 2014 at 5:22am

 about the jumpers - i think you should ask for replacement. Cause mine never go loose..

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